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Cyclobenzaprine hydrochloride or Flexeril is a clear, crystalline amine salt with a molecular weight of 311.9 and C20H21N•HCl is the empirical formula of this drug. 217 degree Celsius is the melting point and has a pKa of 8.47 at twenty five degree Celsius. This drug is freely soluble in alcohol and water, and soluble in moderation in isopropanol, as well as not soluble in hydrocarbon solvents. When aqueous solution is made alkaline, it separates the free base. Flexeril is chemically designated as 3-N, or -(5H -dibenzo [a, d] cyclohepten-5ylidene), N-dimethyl 1-propanamine hydrochloride with the structural formula of:

Flexeril 5 milligram is given as a five milligram tablet for the oral administration.

The Flexeril 10 milligram is given as a ten milligram tablet for the oral administration.

The Flexeril 5 milligram tablets have inactive ingredients such as lactose hydrous, precorn starch, magnesium stearate, gelatinized starch, hypromellose, hydroxypropyl cellulose, titanium dioxide, Yellow FD&C #6 Aluminum Lake, Yellow D&C #10 Aluminum Lake HT, as well as carnauba wax.

The Flexeril 10 milligram tablets have inactive ingredients such as lactose hydrous, corn starch, pre-gelatinized starch, yellow iron oxide, magnesium stearate, hypromellose, hydroxypropyl cellulose, titanium dioxide, as well as carnauba wax.

Possible Health effects of Flexeril

Flexeril is a muscle relaxant. This works through clogging the nerve impulses or know as pain sensations which are conveyed to the brain. This treatment utilizes as one with physical therapy and rest in order to cure skeletal muscle cases like injury and pain. This medication might also be utilized for other for other reasons.

  • It is essential to find emergency health assistance once you have any symptoms of allergic reaction, inflammation of the face, throat, tongue and lips, hives and difficulty in breathing.
  • Stop utilizing this drug and inform your physician once you have some of these severe side effects as it get you flexeril high:
  • Uneven, fast as well as pounding heartbeats
  • Heavy feeling or chest pain, tingling spreading to shoulder and arm, sweating, nausea as well as whole ill feeling
  • Weakness or sudden numbness, particularly one part of your body
  • Confusion, sudden headache, issues with vision, balance or speech
  • You have to stop taking this medicine if your feel fainting and light headed feeling.
  • You also refrain from using it once you feel sudden weakness, confusion as well as lack of mobility and coordination
  • Consult your doctor once you feel nausea, low fever, stomach pain, dark urine, jaundice, or yellowing of eyes and skin, clay colored tool and loss of appetite when using this medication.
  • Seizure or convulsions
  • Bleeding or easy bruising
  • Unusual behavior or thoughts, unusual weakness as well as hallucinations

Less serious harmful effects of using Flexeril might include the following:

  • Dry throat or mouth
  • Blurred vision
  • Dizziness, drowsiness and tired feeling
  • Stomach pain, loss of appetite and nausea
  • Constipation, gas and diarrhea as well as muscle weakness
  • Loss of appetite, stomach pain, nausea

The Precautions When Taking Flexeril HCL Medication

Prior to taking Flexeril, tell your physician or any medical professionals once you are responsive or sensitive to it. You also need to visit your doctor once you have some other forms of allergies. This drug might contain inactive components that can lead to allergic reactions and other medical concerns. It is very essential to talk with your doctor or pharmacists prior for more information.

Prior to utilizing this drug, tell your physician or any medical expert your medical background, particularly of liver illness, hyperthyroidism or overactive thyroid, heart related issues like irregular heartbeat, heart failure, heart block, existing heart attack. You also need to talk to your doctor if you are suffering difficulty in urinating especially because of the enlargement of the prostate as well as glaucoma.

This medication might make you drowsy and dizzy, so as much as possible don’t drive after taking the tablet, or never use machinery as well as do anything which needs attentiveness until you are certain you can do such deeds safely. It is also very important to do away with alcoholic beverages.

Prior to having surgery, tell your physician regarding the drugs you utilize which take account of non-prescription and prescription drugs as well as natural or herbal drugs. Mature individual might be more sensitive to the harmful effects of this medication, most significantly drowsiness.

For pregnant women, this drug must be utilized only if required. Talk about the possibilities and advantages with the expert. It is not known when this drug passes in to breast milk. On the other hand, the same medications go into breast milk. So, you have to consult an expert prior to breast feeding.


This drug is pointed out as an addition to physical therapy and rest for assistance for muscle cramps and spasms as well as other related pains related to this which include painful musculoskeletal cases and acute pain.

Enhancement is manifested through the aid of muscle ache and its related symptoms and signs, namely tenderness, pain, restricted in the things you did on a daily basis as well as limitations in your motion or movements.

This drug must be used just for a short span of time up to 2 or 3 weeks as enough proof of efficiency for more use isn’t accessible and as muscle spasm related to pain and acute musculoskeletal cases is normally of short period and special therapy for long span of time is hardly ever warranted.

This drug according to the research is not efficient in the cure of spasticity related with spinal cord or cerebral illness, or those kids experiencing cerebral palsy.

For many patients, the prescribed dose of this drug is five milligram 3X a day. However it is based on personal response of the patient, the dose might be augmented to ten milligram 3x a day. The use of this drug for two to three weeks or longer is not suggested as it can lead to various medical conditions.

Flexeril is indeed a very powerful drug when it comes to treating muscle spasm, on the other precautions should be take place.